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Add just enough to persuade self that execution is broadly sane.

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This commit is contained in:
Thomas Harte 2024-03-03 14:03:08 -05:00
parent 99f0233b76
commit 945b7e90da
1 changed files with 13 additions and 3 deletions
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16
OSBindings/Mac/Clock SignalTests/ARMDecoderTests.mm
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@ -24,22 +24,29 @@ struct Memory {
(void)source; (void)source;
(void)mode; (void)mode;
(void)trans; (void)trans;
printf("W of %08x to %08x [%lu]\n", source, address, sizeof(IntT));
return true; return true;
} }
template <typename IntT> template <typename IntT>
bool read(uint32_t address, IntT &source, Mode mode, bool trans) { bool read(uint32_t address, IntT &source, Mode mode, bool trans) {
if(address > 0x3800000) { if(address > 0x3800000) {
has_moved_rom_ = true;
source = *reinterpret_cast<const IntT *>(&rom[address - 0x3800000]); source = *reinterpret_cast<const IntT *>(&rom[address - 0x3800000]);
} else { } else if(!has_moved_rom_) {
// TODO: this is true only very transiently. // TODO: this is true only very transiently.
source = *reinterpret_cast<const IntT *>(&rom[address]); source = *reinterpret_cast<const IntT *>(&rom[address]);
} else {
printf("Unknown read from %08x [%lu]\n", address, sizeof(IntT));
} }
(void)mode; (void)mode;
(void)trans; (void)trans;
return true; return true;
} }
private:
bool has_moved_rom_ = false;
}; };
} }
@ -194,6 +201,9 @@ struct Memory {
XCTAssertEqual(carry, 0); XCTAssertEqual(carry, 0);
} }
/*
TODO: turn the below into a trace-driven test case.
- (void)testROM319 { - (void)testROM319 {
constexpr ROM::Name rom_name = ROM::Name::AcornRISCOS319; constexpr ROM::Name rom_name = ROM::Name::AcornRISCOS319;
ROM::Request request(rom_name); ROM::Request request(rom_name);
@ -203,13 +213,13 @@ struct Memory {
executor.bus_.rom = roms.find(rom_name)->second; executor.bus_.rom = roms.find(rom_name)->second;
uint32_t pc = 0; uint32_t pc = 0;
for(int c = 0; c < 200; c++) { for(int c = 0; c < 1000; c++) {
uint32_t instruction; uint32_t instruction;
executor.bus_.read(pc, instruction, executor.mode(), false); executor.bus_.read(pc, instruction, executor.mode(), false);
printf("%08x: %08x\n", pc, instruction); printf("%08x: %08x\n", pc, instruction);
dispatch<Model::ARMv2>(pc, instruction, executor); dispatch<Model::ARMv2>(pc, instruction, executor);
} }
} }*/
@end @end